add js 1

ody git.js

@@ -0,0 +1,242 @@
+// Simple Blackjack implementation
+const SUITS = ['♠','♥','♦','♣'];
+const RANKS = ['A','2','3','4','5','6','7','8','9','10','J','Q','K'];
+
+const dealerHandEl = document.getElementById('dealer-hand');
+const playerHandEl = document.getElementById('player-hand');
+const dealerValueEl = document.getElementById('dealer-value');
+const playerValueEl = document.getElementById('player-value');
+const balanceEl = document.getElementById('balance');
+const betInput = document.getElementById('bet-input');
+const betBtn = document.getElementById('bet-btn');
+const currentBetEl = document.getElementById('current-bet');
+const hitBtn = document.getElementById('hit');
+const standBtn = document.getElementById('stand');
+const doubleBtn = document.getElementById('double');
+const newRoundBtn = document.getElementById('new-round');
+const messageEl = document.getElementById('message');
+
+let deck = [];
+let dealer = [];
+let player = [];
+let dealerHidden = true;
+let balance = 1000;
+let currentBet = 0;
+let inRound = false;
+
+// Membuat deck kartu
+function makeDeck() {
+  deck = [];
+  for (let s of SUITS) {
+    for (let r of RANKS) {
+      deck.push({ suit: s, rank: r });
+    }
+  }
+}
+
+// Shuffle
+function shuffle() {
+  for (let i = deck.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [deck[i], deck[j]] = [deck[j], deck[i]];
+  }
+}
+
+// Nilai kartu
+function cardValue(card) {
+  if (card.rank === 'A') return 11;
+  if (['J','Q','K'].includes(card.rank)) return 10;
+  return Number(card.rank);
+}
+
+// Nilai total tangan
+function handValues(hand) {
+  let total = 0;
+  let aceCount = 0;
+
+  for (let c of hand) {
+    total += cardValue(c);
+    if (c.rank === 'A') aceCount++;
+  }
+
+  while (total > 21 && aceCount > 0) {
+    total -= 10;
+    aceCount--;
+  }
+
+  return total;
+}
+
+// Render kartu
+function renderHand(container, hand, hideFirst = false) {
+  container.innerHTML = '';
+
+  hand.forEach((card, i) => {
+    const div = document.createElement('div');
+    div.className = 'card';
+
+    // warna merah ♥ ♦
+    if (card.suit === '♥' || card.suit === '♦') {
+      div.classList.add('red');
+    }
+
+    if (hideFirst && i === 0) {
+      div.className = "card back";
+      div.textContent = "🂠";
+    } else {
+      div.innerHTML = `
+        <div>${card.rank}${card.suit}</div>
+        <div>${card.rank}${card.suit}</div>
+      `;
+    }
+
+    container.appendChild(div);
+  });
+}
+
+// Update UI
+function updateUI() {
+  renderHand(playerHandEl, player, false);
+  renderHand(dealerHandEl, dealer, dealerHidden);
+
+  dealerValueEl.textContent = dealerHidden ? "?" : handValues(dealer);
+  playerValueEl.textContent = handValues(player);
+
+  balanceEl.textContent = balance;
+  currentBetEl.textContent = currentBet;
+
+  hitBtn.disabled = !inRound;
+  standBtn.disabled = !inRound;
+  doubleBtn.disabled = !inRound;
+
+  if (!inRound) {
+    messageEl.textContent = "Pasang taruhan untuk mulai.";
+  }
+}
+
+// Mulai ronde
+function startRound() {
+  if (inRound) return;
+
+  const bet = Number(betInput.value);
+
+  if (bet <= 0 || bet > balance) {
+    messageEl.textContent = "Taruhan tidak valid!";
+    return;
+  }
+
+  balance -= bet;
+  currentBet = bet;
+
+  makeDeck();
+  shuffle();
+
+  dealer = [deck.pop(), deck.pop()];
+  player = [deck.pop(), deck.pop()];
+
+  dealerHidden = true;
+  inRound = true;
+
+  messageEl.textContent = "Permainan dimulai!";
+  updateUI();
+
+  // Natural blackjack
+  if (handValues(player) === 21) {
+    playerStand();
+  }
+}
+
+// Player hit
+function playerHit() {
+  if (!inRound) return;
+  player.push(deck.pop());
+  updateUI();
+
+  if (handValues(player) > 21) {
+    dealerHidden = false;
+    messageEl.textContent = "Kamu bust! Dealer menang.";
+    inRound = false;
+    updateUI();
+  }
+}
+
+// Player stand
+function playerStand() {
+  if (!inRound) return;
+
+  dealerHidden = false;
+
+  while (handValues(dealer) < 17) {
+    dealer.push(deck.pop());
+  }
+
+  const pv = handValues(player);
+  const dv = handValues(dealer);
+
+  if (dv > 21 || pv > dv) {
+    messageEl.textContent = "Kamu menang!";
+    balance += currentBet * 2;
+  } else if (pv === dv) {
+    messageEl.textContent = "Seri!";
+    balance += currentBet;
+  } else {
+    messageEl.textContent = "Dealer menang!";
+  }
+
+  currentBet = 0;
+  inRound = false;
+  updateUI();
+}
+
+// Double down
+function playerDouble() {
+  if (!inRound) return;
+  if (balance < currentBet) {
+    messageEl.textContent = "Saldo tidak cukup untuk double!";
+    return;
+  }
+
+  balance -= currentBet;
+  currentBet *= 2;
+
+  player.push(deck.pop());
+  updateUI();
+
+  if (handValues(player) > 21) {
+    dealerHidden = false;
+    messageEl.textContent = "Bust saat double! Dealer menang.";
+    inRound = false;
+    return updateUI();
+  }
+
+  playerStand();
+}
+
+// Reset game
+newRoundBtn.addEventListener('click', () => {
+  balance = 1000;
+  currentBet = 0;
+  dealer = [];
+  player = [];
+  deck = [];
+  inRound = false;
+  dealerHidden = true;
+  messageEl.textContent = "Bank di-reset.";
+  updateUI();
+});
+
+// Events
+betBtn.addEventListener('click', startRound);
+hitBtn.addEventListener('click', playerHit);
+standBtn.addEventListener('click', playerStand);
+doubleBtn.addEventListener('click', playerDouble);
+
+// Keyboard shortcut
+window.addEventListener('keydown', e => {
+  if (e.key === 'h') playerHit();
+  if (e.key === 's') playerStand();
+  if (e.key === 'd') playerDouble();
+  if (e.key === 'Enter') startRound();
+});
+
+updateUI();